package com.huluobo.a2211mdmdemo.views

import android.util.Log
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.foundation.lazy.items
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material3.Divider
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.remember
import androidx.compose.runtime.snapshots.SnapshotStateList
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.unit.dp
import androidx.navigation.NavHostController
import coil.compose.AsyncImage
import com.google.gson.Gson
import com.huluobo.lib_base.BaseTitle
import com.huluobo.lib_base.RoutePath
import com.hyphenate.EMValueCallBack
import com.hyphenate.chat.EMClient
import com.hyphenate.chat.EMMessage
import kotlinx.coroutines.launch

/**
 *  Created by LC on 2025/5/9.
 */

data class ContactBean(val username: String, val firstLetter: Char, val isShowFirstLetter: Boolean)

@Composable
fun ContactPage(navHostController: NavHostController) {
    val list = remember {
        SnapshotStateList<ContactBean>()
    }

    LaunchedEffect(key1 = "", block = {
        launch {
            EMClient.getInstance().contactManager()
                .aysncGetAllContactsFromServer(object : EMValueCallBack<List<String>> {
                    override fun onSuccess(value: List<String>?) {
                        if (!value.isNullOrEmpty()) {
//                            list.addAll(value)
//                            list.sortBy { it.first() }

                            for ((index, contact) in value.withIndex()) {
                                var isShow = false
                                //对比是否显示首字符,如果index=0,一定是true
                                //如果对比上一个首字符不同也为true
                                if (index == 0 || value[index].first() != value[index - 1].first()) {
                                    isShow = true
                                }
                                list.add(ContactBean(contact, contact.first().toUpperCase(), isShow))
                            }
                            list.sortBy { it.firstLetter }
                        }
                    }

                    override fun onError(error: Int, errorMsg: String?) {
                        Log.e("TagA", "获取联系人失败:$error,msg:$errorMsg")
                    }
                })
        }
    })

    Column(modifier = Modifier.padding(20.dp)) {
        BaseTitle(title = "联系人", navHostController = navHostController)
        Spacer(modifier = Modifier.height(20.dp))
        LazyColumn(content = {
            items(list) {
                ContactItem(entity = it, navHostController)
            }
        }, verticalArrangement = Arrangement.spacedBy(20.dp))
    }
}

@Composable
fun ContactItem(entity: ContactBean, navHostController: NavHostController) {
    Column {
        if (entity.isShowFirstLetter) {
            Text(text = "${entity.firstLetter}", fontWeight = FontWeight.Bold)
            Spacer(modifier = Modifier.height(10.dp))
        }
        Row(
            verticalAlignment = Alignment.CenterVertically,
            horizontalArrangement = Arrangement.spacedBy(20.dp),
            modifier = Modifier.fillMaxWidth().clickable {
                val chatBean = ChatBean(entity.username, EMMessage.ChatType.Chat)
                val json = Gson().toJson(chatBean)
                navHostController.navigate(RoutePath.CHAT + "/$json")
            }) {
            AsyncImage(
                model = "https://img0.baidu.com/it/u=788800651,2030194952&fm=253&app=120&size=w931&n=0&f=JPEG&fmt=auto?sec=1730307600&t=9c17b588a934b0ccf76349e5e5b7ca08",
                contentDescription = "",
                Modifier
                    .size(40.dp)
                    .clip(RoundedCornerShape(5.dp)),
                contentScale = ContentScale.Crop
            )
            Text(text = entity.username)
        }
        Spacer(modifier = Modifier.height(10.dp))
        Divider(color = Color.LightGray, thickness = 0.5.dp)
    }
}